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Finding the Third Proportional to 157,590 and 231,201

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Solution

The third proportional to 157,590 and 231,201 is: 339,196.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,590 : 231,201 = 231,201 : x
  2. Step 2: Convert to fraction form
    157,590/231,201 = 231,201/x
  3. Step 3: Cross multiply
    157,590x = 231,201 × 231,201
  4. Step 4: Simplify right side
    157,590x = 53,453,902,401
  5. Step 5: Solve for x
    x = 53,453,902,401/157,590
  6. Step 6: Final answer
    x = 339,196.03

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.